— Mrs.Smith,please teach me how to draw on the computer today.
—Oh,no. ____.You have to get familiar with the keyboard first.
| A．It is never too old to learn |
| B．Think twice before you do |
| C．Learn to walk before you run |
| D．One today is worth two tomorrows |
--------You seem to show interest in cooking.
-------------_________? On the contrary, I’m tired of it.
| A．Really | B．Pardon | C．OK | D．What |
He convinced me __________the difficulty of the work.
| A．on | B．at | C． for | D．of |
East of the lake__________, one of which is twice the size of the other.
| A．lies two villages | B．lie two villages | C．do two villages lie | D．two villages lie |
The room, although_________ to be kept locked, was often left open.
| A．supposing | B．supposed | C．to be supposed | D．having supposed |
-----I am sorry for having been so rude to you.
---------That’s OK. I am sure you didn’t___________.
| A．have to | B．mean to | C．hope so | D．want so |